Clinical Information Discusses physiology, pathophysiology, and general clinical aspects, as they relate to a laboratory test. Carcinoembryonic antigen (CEA) is a glycoprotein normally found in embryonic entodermal epithelium.
Europe's Coldest Cities in Summer. Europe's northernmost city has the continent's coolest summers. No other major city stays anywhere as tepid as ReykjavÃ­k, Iceland, where maximum temperatures average a meagre 12.7 degrees Celsius (54.8 degrees Fahrenheit). That's over five degrees Celsius (10 Â°F) lower than the next coldest city, Leeds.
The Mediterranean region of Europe typically experiences hot, dry summers and mild, wet winters. During the summer, 4 to 6 months without significant rainfall is the norm, as most of the precipitation falls during the winter months. Yearly rainfall averages across Europe run between 20 and 60 inches, depending on location. Most of the rain falls in winter and early spring.